Bengaluru
India
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Bengaluru, India

The last month of the rainy (monsoon) season, September, is another warm month in Bengaluru, India, with temperature in the range of an average high of 28.3°C (82.9°F) and an average low of 19.7°C (67.5°F).

Temperature

In Bengaluru, the average high-temperature is relatively the same as in August - a still moderately hot 28.3°C (82.9°F). In Bengaluru, in September, the average low-temperature is 19.7°C (67.5°F).

Humidity

In September, the average relative humidity is 76%.

Rainfall

September is the month with the most rainfall in Bengaluru. Rain falls for 10.3 days and accumulates 241mm (9.5") of precipitation.

Daylight

The average length of the day in Bengaluru is 12.2h.

Sunshine

In September, the average sunshine in Bengaluru is 4.8h.

UV index

Months with the highest UV index in Bengaluru are February through October, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme threat to health from the exposure to the Sun's UV rays for the ordinary person.
The daily maximum UV index of 12 interpret into the following advice:
Take all necessary precautions, as unprotected skin can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used.

What is the temperature in September in Bengaluru?

In Bengaluru, India, in September, the average high-temperature is 28.3°C (82.9°F), and the average low-temperature is 19.7°C (67.5°F).

What is the average humidity in September in Bengaluru?

The average relative humidity in September in Bengaluru, India, is 76%.

How many days does it rain in September in Bengaluru?

In Bengaluru, during September, the rain falls for 10.3 days and regularly aggregates up to 241mm (9.5") of precipitation.

What is the wettest month in Bengaluru?

September is the month with the most rainfall in Bengaluru. Rain falls for 10.3 days and accumulates 241mm (9.5") of precipitation.

How many hours of daylight does Bengaluru have in September?

In Bengaluru, India, the average length of the day in September is 12.2h.

How many hours of sunshine does Bengaluru have in September?

The average sunshine in September in Bengaluru, India, is 4.8h.

When is the highest UV index in Bengaluru?

February through October, with an average maximum UV index of 12, are months with the highest UV index in Bengaluru.

How high is the UV index in September in Bengaluru?

The average daily maximum UV index in September is 12. A UV Index of 11, and more, symbolizes an extreme health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in September - Bengaluru, India
  • Average high temperature in September: 28.3°C

The warmest month (with the highest average high temperature) is April (35.8°C).
The month with the lowest average high temperature is December (26.2°C).

  • Average low temperature in September: 19.7°C

The month with the highest average low temperature is April (21.8°C).
The coldest month (with the lowest average low temperature) is January (15.3°C).

Average humidity in September - Bengaluru, India
  • Average humidity in September: 76%

The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is March (45%).

Average rainfall in September - Bengaluru, India
  • Average rainfall in September: 241mm

The wettest month (with the highest rainfall) is September (241mm).
The driest month (with the lowest rainfall) is January (1.8mm).

Average rainfall days in September - Bengaluru, India
  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is September (10.3 days).
The month with the lowest number of rainy days is January (0.2 days).

Average daylight in September / Average sunshine in September - Bengaluru, India
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 12.9h).
The month with shortest days is December (Average daylight: 11.4h).

  • Average sunshine in September: 4.8h

Months with most sunshine are February and March (Average sunshine: 8.8h).
The month with least sunshine is July (Average sunshine: 3.6h).

Average UV index in September - Bengaluru, India
  • Average UV index in September: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
Months with the lowest UV index are January, November and December (UV index 10).